Third International Conference on Spoken Language Processing (ICSLP 94)

Yokohama, Japan
September 18-22, 1994

Recogniser Response Modelling from Testing on Series of Minimal Word Pairs

Borge Lindberg

Center for PersonKommunikation, Aalborg University, Aalborg, Denmark

The paper presents two approaches to recogniser word response modelling which rely on an estimation of interphoneme distances as a basis for modelling recogniser behaviour towards a particular vocabulary. The recogniser specific inter-phoneme distances are derived from testing on series of minimal word pairs in which only a single phoneme varies in fixed phonetic context. In the first approach an existing model of human word recognition is applied and modified to incorporate recogniser specific inter-phoneme distances rather than the original inter-phoneme distances obtained from human perception experiments. Experiments are conducted on both a DTW- and a CDHMM-recogniser architecture and the prediction capabilities are compared with "live" results from these two recognisers. These experiments lead to a formulation of the second approach, a new HMM-based response model.

Full Paper

Bibliographic reference.  Lindberg, Borge (1994): "Recogniser response modelling from testing on series of minimal word pairs", In ICSLP-1994, 1275-1278.